'The length of its day and the tilt of its axis are almost identical to those of the earth'. This is true of ________

Which planet is known as the 'Watery Planet' ?

A. Mercury

B. Earth

C. Mars

D. Jupiter

In order of their distances from the Sun, which of the following planets lie between Mars and Uranus?

A. Earth and Jupiter

B. Jupiter and Saturn

C. Saturn and Earth

D. Saturn and Neptune

A black hole is a ________

A. Contracted star with intense gravitational pull

B. Star with very low surface temperature

C. Star with no atmosphere

D. Pulsating star

Messenger satellite has been launched by NASA for the study of

A. Mercury

B. Venus

C. Saturn

D. Jupiter